104916985 has 8 divisors (see below), whose sum is σ = 126025416. Its totient is φ = 83850240.

The previous prime is 104916919. The next prime is 104917003. The reversal of 104916985 is 589619401.

It can be written as a sum of positive squares in 4 ways, for example, as 14837904 + 90079081 = 3852^2 + 9491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104916985 - 2⁹ = 104916473 is a prime.

It is a super-2 number, since 2×104916985² = 22015147482980450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4584 + ... + 15193.

It is an arithmetic number, because the mean of its divisors is an integer number (15753177).

Almost surely, 2^104916985 is an apocalyptic number.

It is an amenable number.

104916985 is a deficient number, since it is larger than the sum of its proper divisors (21108431).

104916985 is a wasteful number, since it uses less digits than its factorization.

104916985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20843.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 104916985 is about 10242.8992477716. The cubic root of 104916985 is about 471.6450352940.

The spelling of 104916985 in words is "one hundred four million, nine hundred sixteen thousand, nine hundred eighty-five".